Enclosure



g.10,1943. L-BlERENFELD A 2,326,282

,'ENCLOSURE Original Filed Dec. 1, 1937 manipulated, and securely hold held Y iside portion l I. The operation of this holding `and securing means is readily apparent, lthe top Patented Aug, 10, l

*.Josef BierenfeldLShorewood, Wis., assignonto VSquare'DCompany,Detroit, lMich., a corporation of Michigan Original application De 177,409.Y Divided an 31, 1.941, serial No. 376,775

s' claims, (crez- 301) .Thisinvention relates to an enclosure for de-v vices such as electriccircuit controlling instru- -art from the following specification and ap- .pended drawing `illustrating certain Vpreferred embodiments of the invention'in which:V Y Y Figure 1 is a front elevational View of a box operating opening andthe bottornportionthere-V12 or enclosureaccording to thepresent invention. t

Figure 2 is'an enlarged` partial bottom ,viewof the lower holding means.

Figure 3 is 'a partial sectional View adjacent the top of the enclosure 'showing 'the means for holdingrthe top of the cover in place. Y A FigureV 4 is a' partial plan view cfrthe lower part of the box with the cover removed;

The'boxenclosure comprises the outer enclos- 'I ing box I, having a removable cover 2. Thetop f wall of the box is provided with an opening kwhich receives a-pin 3 rigid with the top ofthe Cover and @Operating with the holding and ren taining means toV be hereinafter described to maintain the covery inv position. This means' 20 mentality having an vopenable :ov'er ',Y locking ,f i

brackets onsaid box Vand cover, said cover bra'ck- Y *ofY locking means, and means `fordrawing said Y c. cover bracket depending portion 'againstsaid Y,

comprises a bracket mounted onv the bottom porf tion of the cover and L-,shaped in cross section,

-the arm portion of the L, as at 4, -being welded 1 or otherwise rigidly secured to thevcover and having integral therewith `the foot portion 5 proyvided with a slot 6 and an opening '1.V Upon Ythe outside bottom wallV of the boX is rigidiy secured a member somewhat scoopshaped-in `cl'laracter and havinga top portion i8 rigidly secured to the and having integral therewith'a back portion 9 and side portions Il and I2.'

portion l2 extends 'through the slot'v and at its iront portion is provided. 'with an opening is nted for the reception of a locl'haspor other ing means. A stud lli has a reducedportion Aloosely-received within the openingfi and is'.- `threaded into an opening l'in the backfportion 9 serving to draw the cover into 'itssecured-and position against the forward edgeY of the portion of the cover being maintained in'place The side A mentality having an o penable `cover,.locking and gember 1, 1937, seriaifNo. d this application January tion ofthe coverniaypbe openedr partially'and'- the cover then moved a slight `distance upwardly..

kunderstood that the ,invention is not limited I thereto as many variations will be readily apparallel' planes at right angles to the back of` theY the' other and adapted `to extend-through'al slot `pending portion on saidcoverfin a Dlanepar-` portions, a screw.extending through saidV nrstif' extendingthrough alslot insaid irst'mentionedrv portion-and providing means'whereby the; cove ysaid spaced vportions.cornprising anV abutrne `50 clamped by Said screw;

mentality having Van openable cover, a vreleas'able;l

byrtheengage'ment of the pin-'13" within its co of being securelyheld by'the'clamping of the .portion 5 against the front edge of the sidepor- A. tionV i l'by means of thejstud It. c When 'the stud is detached from the portion k9, the bottomportodisengagethe pin 3, after lwhichit may be` removed.` f f Y l. I, Y

'While certain preferred embodiments, ofthe invention have been speciiically disclosed, itis parent to those 'skilledin theart and the inven-jI tion is to be givenits broadest-'possible interpre` y tation within the terms of thefollowing claims.r

rWhat Yis claimed'is:Y Y Y v1. In an enclosing'box for'an electrical instru'- vmeans for saidcover including;cooperating et having a*V downwardly dependingportion inla Y plane lparallel to Ythe'back,V of the box, -svaidboxff -c y, bracketj having spaced depending vportions in" box, one of said projectionsbeing'longer thanf in theKV depending portion on the cover bracket-.1. and'provided with anopening for the ref zeption second dependingv portionon thebox bracket as an abutmentrto rigidly Secure ther-Cover miplae., Y l

f2. In 'an enclosing box for an electricalinstru'- securingmeans for said cover 'inc1uding ader-1 allelto the back wall of thebox, and a depend-` ing portion onfsaid-box having aV portion thereof Y Y parallel tov saidv cover'depending portion and'l two spaced portions at right Yang'lespto saidV ir'sttwo l depending portionand threaded into. said ,secondy mentioned portion, one 'ofgsaid spacedportions may-be' positively locked in placefthesecond fagainst which 'said' vfirst mentioned. portion; i

.3. In an `enclosing box Vfor, an' electrical-instru;-

attachement Vfor, said cover includingY abraclfzet..v on said cover :having a'projectingportion-par-f' Y aliel to the back wall of the box, and a projec tion on saidboxincluding a portion parallel to said rst mentioned projection and spaced portions at'right angles thereto, one of said spaced- Vportions serving as an abutment against which said rst mentioned projection is clamped, means cooperating with said first mentioned'projection and said rst mentioned portion on said second projection for -eecting such clamping or securing action, the second spaced portion being elongated tojextendthrough a slot in said rst men- [JOSEF BIERNFELD. 

